<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图区域 -->
    <el-card class="box-card">
      <!-- 搜索栏区域与添加用户区域 -->
      <el-row :gutter="20">
        <el-col :span="7">
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            clearable
            @clear="getUserList"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getUserList"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="dialogVisible = true"
            >添加用户</el-button
          >
        </el-col>
      </el-row>

      <!-- 用户列表区域 -->
      <el-table :data="userList" :border="true" stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column prop="username" label="姓名"></el-table-column>
        <el-table-column prop="email" label="邮箱"></el-table-column>
        <el-table-column prop="mobile" label="电话"></el-table-column>
        <el-table-column prop="role_name" label="角色"></el-table-column>
        <el-table-column prop="mg_state" label="状态">
          <!--!! 拿到该行所有数据 !!-->
          <template slot-scope="scope">
            <!-- {{scope.row}} -->
            <el-switch
              v-model="scope.row.mg_state"
              @change="userStateChanged(scope.row)"
            >
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作">
          <!--scope 可以抓取当前文档内数据 -->
          <template slot-scope="scope">
            <!-- slot-scope="scope" -->
            <!-- {{scope.row}} -->
            <!-- 修改按钮 -->
            <el-button
              type="primary"
              icon="el-icon-edit"
              size="mini"
              @click="showEditDialog(scope.row.id)"
            ></el-button>
            <!-- 删除按钮 -->
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              @click="removeUserById(scope.row.id)"
            ></el-button>
            <!-- 分配角色按钮 -->
            <el-tooltip content="分配角色" placement="top" :enterable="false">
              <el-button
                type="warning"
                icon="el-icon-s-tools"
                size="mini"
                @click="setRole(scope.row)"
              ></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 3]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>
    </el-card>

    <!-- 添加用户对话框部分 -->
    <el-dialog
      title="添加用户"
      :visible.sync="dialogVisible"
      width="50%"
      @close="addDialogClosed"
    >
      <!-- 内容区域 -->
      <!-- 添加用户表单区域 -->
      <el-form
        :model="addForm"
        :rules="addFormRules"
        ref="addFormRef"
        label-width="70px"
      >
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 底部区域 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="dialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>

    <!-- 修改用户信息对话框部分 -->
    <el-dialog
      title="修改用户信息"
      :visible.sync="editDialogVisible"
      width="50%"
      @close="editDialogClose"
    >
      <!-- 修改信息内容 -->
      <el-form
        :model="editForm"
        :rules="editFormRules"
        ref="editFormRef"
        label-width="70px"
      >
        <!-- 用户名 -->
        <el-form-item label="用户名">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <!-- 邮箱 -->
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <!-- 手机号 -->
        <el-form-item label="手机号" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 修改信息底部 -->
      <span slot="footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUserInfo">确 定</el-button>
      </span>
    </el-dialog>

    <!-- 分配角色对话框部分 -->

    <el-dialog
      title="分配角色"
      :visible.sync="setRoleDialogVisible"
      width="50%"
    @close="setRoleDialogClose"
    >
    <!-- 内容 -->
    <div>
        <p>当前用户：{{userInfo.username}}</p>
        <p>当前角色：{{userInfo.role_name}}</p>
        <p>分配新角色：
          <el-select v-model="selectedRoleId" placeholder="请选择">
            <el-option
            v-for="item in rolesList"
            :key="item.id"
            :label="item.roleName"
            :value="item.id">
            </el-option>
        </el-select>
        </p>
    </div>
      <!-- 底部 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRoleDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveRoleInfo"
          >确 定</el-button
        >
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  name: 'users',
  data() {
    // 邮箱验证自定义规则
    var checkEmail = (rule, value, cb) => {
      // 验证邮箱正则表达式
      const regEmail =
        /^[a-zA-Z0-9_.-]+@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)*\.[a-zA-Z0-9]{2,6}$/
      if (regEmail.test(value)) {
        // 合法邮箱
        return cb()
      }
      cb(new Error('请输入合法邮箱'))
    }

    // 手机号验证自定义规则
    var checkMobile = (rule, value, cb) => {
      // 验证手机号正则表达式
      const regMobile =
        /^(13[0-9]|14[01456879]|15[0-35-9]|16[2567]|17[0-8]|18[0-9]|19[0-35-9])\d{8}$/
      if (regMobile.test(value)) {
        // 合法手机号
        return cb()
      }
      cb(new Error('请输入合法手机号'))
    }
    return {
      queryInfo: {
        query: '',
        // 当前页数
        pagenum: 1,
        // 当前每页展示多少条
        pagesize: 2,
      },
      userList: [],
      total: 0,
      //1. 控制添加用户对话框显示与隐藏
      dialogVisible: false,
      // 添加用户的表单数据
      addForm: {
        username: '',
        password: '',
        email: '',
        mobile: '',
      },
      // 校验规则
      addFormRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { min: 3, max: 10, message: '用户名长度在3~10', trigger: 'blur' },
        ],
        password: [
          { required: true, message: '请输密码', trigger: 'blur' },
          { min: 6, max: 15, message: '用户名长度在6~15', trigger: 'blur' },
        ],
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' },
        ],
        mobile: [
          { required: true, message: '请输入手机号', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' },
        ],
      },
      // 2.控制修改用户对话框的显示与隐藏
      editDialogVisible: false,
      // 查询到的用户信息
      editForm: {},
      // 修改表单的验证规则
      editFormRules: {
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' },
        ],
        mobile: [
          { required: true, message: '请输入手机号', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' },
        ],
      },
      //显示与隐藏分配角色对话框
      setRoleDialogVisible:false,
      userInfo:{},//当前获取点击用户的角色信息
      rolesList:{},//所有角色的角色列表
      selectedRoleId:'',//已选择的角色id值
    }
  },
  created() {
    this.getUserList()
  },
  methods: {
    async getUserList() {
      const { data: res } = await this.$http.get('users', {
        params: this.queryInfo,
      })
      // console.log(res); 获取数据成功
      if (res.meta.status !== 200) {
        return this.$message.error('获取用户列表失败')
      }
      this.userList = res.data.users
      this.total = res.data.total
    },
    // 监听pageSize改变事件
    handleSizeChange(newSize) {
      // console.log(newSize);
      this.queryInfo.pagesize = newSize
      // 重新获取数据
      this.getUserList()
    },
    // 监听页码值改变事件
    handleCurrentChange(newPage) {
      console.log(newPage)
      this.queryInfo.pagenum = newPage
      this.getUserList()
    },
    // 监听switch值
    async userStateChanged(userinfo) {
      //  console.log(userinfo);
      const { data: res } = await this.$http.put(
        `users/${userinfo.id}/state/:${userinfo.mg_state}`
      )
      if (res.meta.status !== 200) {
        userinfo.mg_state = !userinfo.mg_state
        return this.$message.error('更新用户状态失败')
      }
      this.$message.success('用户状态更新成功')
    },
    // 添加用户表单关闭清除input填的数据
    addDialogClosed() {
      this.$refs.addFormRef.resetFields()
    },
    // 添加用户前的判断及添加用户
    addUser() {
      this.$refs.addFormRef.validate(async (valid) => {
        // console.log(valid);
        // 发起添加用户的网络请求
        if (!valid) return
        const { data: res } = await this.$http.post('users', this.addForm)
        if (res.meta.status !== 200) {
          this.$message.error('添加用户失败')
        }
        this.$message.success('添加用户成功')
        this.dialogVisible = false //添加成功后隐藏对话框
        this.getUserList() //重新获取用户的列表，刷新列表
      })
    },
    // 修改用户信息
    async showEditDialog(id) {
      // console.log(id);
      const { data: res } = await this.$http.get('users/' + id)
      if (res.meta.status !== 200) {
        this.$message.error('查询用户信息失败')
      }
      this.editForm = res.data //将查询的信息存入对象
      this.editDialogVisible = true //展示修改信息对话框
      console.log(this.editForm)
    },
    // 监听修改表单重制 调取函数
    editDialogClose() {
      this.$refs.editFormRef.resetFields()
    },
    editUserInfo() {
      // 判断输入框内容是否符合规则
      this.$refs.editFormRef.validate(async (valid) => {
        if (!valid) return
        // 发起修改信息前的数据请求
        const { data: res } = await this.$http.put(
          'users/' + this.editForm.id,
          {
            email: this.editForm.email,
            mobile: this.editForm.mobile,
          }
        )
        if (res.meta.status !== 200) {
          return this.$message.error('用户信息修改失败')
        }

        this.editDialogVisible = false // 关闭对话框
        this.getUserList() //刷新数据列表
        this.$message.success('用户信息修改成功')
      })
    },
    async removeUserById(id) {
      // 弹框询问是否删除用户
      const confirmResult = await this.$confirm(
        '此操作将永久删除该用户?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning',
        }
      ).catch((err) => err)
      // console.log(res);
      // 确认返回confirm,取消返回cancel

      if (confirmResult != 'confirm') {
        return this.$message.info('取消删除')
      }
      const { data: res } = await this.$http.delete('users/' + id)

      if (res.meta.status != 200) {
        return this.$message.error('删除用户失败')
      }
      this.$message.success('删除成功')
      this.getUserList()
    },
    //分配角色按钮操作
   async setRole(userInfo){
        this.userInfo=userInfo//获取当前点击的用户信息
        // 获取所有角色的角色列表
       const {data:res} = await this.$http.get('roles')
       if(res.meta.status!==200)
       {
        return this.$message.error('获取角色数据失败')
       }
       this.rolesList=res.data
    //    console.log(res.data);
        this.setRoleDialogVisible=true
    },
    // 保存选择的角色
   async saveRoleInfo(){
        if(!this.selectedRoleId){
            return this.$message.error('还未选择角色')
        }
      const {data:res} = await this.$http.put(`users/${this.userInfo.id}/role`,{rid:this.selectedRoleId})

        if(res.meta.status!==200){
           return this.$message.error('角色更新失败')
        }
        this.$message.success('角色更新成功')
        this.getUserList()
        this.setRoleDialogVisible=false
        

    },
    setRoleDialogClose(){
         this.selectedRoleId='',
         this.userInfo={}
     }
  },
}
</script>

<style lang="less" scoped></style>
